INDEX 



Abalones, 273, 274 



Acetic acid, 194 



Actinidia arguta, 88, 90 



Adder, 326 



Aedes calopus, 124-128, 130, 132, 134, 

 154, 258; breeding places, 132; 

 pictures of egg, larva, pupa, and 

 adult, 124, 125; relation of, to 

 yellow fever, 126, 127 



Aerobic bacteria, 221 



Agaricacece, 201-205 ; orders of, 204, 

 205 



Agriculture, 91-106; breeding se- 

 lected strains, 96-98; efficiency 

 of, 93-96; fungous and bacterial 

 diseases, 207-217; practical biol- 

 ogy of, 91-106; problems of ani- 

 mal industry, 102-104; relation 

 of weeds to, 68 ; soil fertility. 98- 

 100 ; value of land, 100-102 



Alcohol, 165, 191; influence of, on 

 germ plasm, 340, 341, 343; manu- 

 facture of, 194, 195 



Alfalfa, 101, 212, 223 



Algae, 188 



Alkaloid, 201 



Alligator, 321, 323 



Alligator terrapin, 324 



Almond, 165 



Amanita, 73, 76, 200-205; descrip- 

 tion and picture, 201, 202 



American birds, orders of, 38-40, 

 42-51 ; pictures of, 22 



American Bison Society, 171 



American cockroach, 154 



American crow, 48 



American elm, 84 



American false hellebore, 76 



American goldfinch, 49 



American goshawk, 45 



American insects, 253 



American laurel, 75 



American lobster. See Lobster 



American lotus lily, 307 



American magpie, 48 



American mammals, 169-172 



American osprey, 45 



American redstart, 50 



American robin, 51 



Amphibia, 313-320, 325 



Anaerobic bacteria, 221 



Animal diseases, 110 



Animal industry, 102-104 



Animal parasites, 253-269 



Anopheles, 127, 130, 131, 134, 154, 

 257 ; breeding places of, 132 ; pic- 

 ture of eggs, larva, pupa, and 

 adult of, 125; relation of, to ma- 

 larial fever, 123, 124 



Antelope, 169, 261 



Anthracnose, 210, 212, 215 



Anthrax, 235, 236, 248 



Antimeningitis serum, 111 



Antisepsis, 248 



Antitoxins, 243, 247-249 



Antivenins, 329 



Ants, 141-147; carpenter ant, 146, 

 147 ; economic importance, 141 ; 

 food, 143 ; rearing of, in labora- 

 tory, 145-147 ; red ants, 155 ; spe- 

 cial senses, 143; warfare, 144; 

 white ants, 153, 155 



363 



